Home / 15,980.92-23,971.36-4,294.14

Finding the Fourth Proportional to 15,980.92, 23,971.36 and 4,294.14

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Solution

The fourth proportional to 15,980.92, 23,971.36 and 4,294.14 is: 6,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.92 : 23,971.36 = 4,294.14 : x
  2. Step 2: Convert to fraction form
    15,980.92/23,971.36 = 4,294.14/x
  3. Step 3: Cross multiply
    15,980.92x = 23,971.36 × 4,294.14
  4. Step 4: Simplify right side
    15,980.92x = 102,936,365.10
  5. Step 5: Solve for x
    x = 102,936,365.10/15,980.92
  6. Step 6: Final answer
    x = 6,441.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.